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What is humidity, and how is it measured?

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What is Humidity? Easily stated humidity is simply the amount of water vapor held in the air. Water vapor is the gaseous state of water. As the temperature of the air increases more water vapor can be held since the movement of molecules at higher temperatures prevents condensation from occurring. read more

Absolute humidity (units are grams of water vapor per cubic meter volume of air) is a measure of the actual amount of water vapor in the air, regardless of the air's temperature. The higher the amount of water vapor, the higher the absolute humidity. read more

Digital weather stations include an outdoor sensor that transmits data wirelessly to an indoor LCD console, making it possible to measure both indoor and outdoor humidity levels, along with other environmental and weather data. read more

Humidity is also measured on a global scale using remotely placed satellites. These satellites are able to detect the concentration of water in the troposphere at altitudes between 4 and 12 kilometers. read more

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How to Measure Humidity
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What is humidity?
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